Home / 3,321.40-4,975.62-2,019.64

Finding the Fourth Proportional to 3,321.40, 4,975.62 and 2,019.64

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Solution

The fourth proportional to 3,321.40, 4,975.62 and 2,019.64 is: 3,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.40 : 4,975.62 = 2,019.64 : x
  2. Step 2: Convert to fraction form
    3,321.40/4,975.62 = 2,019.64/x
  3. Step 3: Cross multiply
    3,321.40x = 4,975.62 × 2,019.64
  4. Step 4: Simplify right side
    3,321.40x = 10,048,961.18
  5. Step 5: Solve for x
    x = 10,048,961.18/3,321.40
  6. Step 6: Final answer
    x = 3,025.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.